Base | Representation |
---|---|
bin | 100101000000111… |
… | …1010111010101000 |
3 | 10012120002000122020 |
4 | 1022001322322220 |
5 | 10020424024243 |
6 | 323124424440 |
7 | 42530655060 |
oct | 11201727250 |
9 | 3176060566 |
10 | 1242017448 |
11 | 5880a5101 |
12 | 2a7b48120 |
13 | 16a416389 |
14 | bad4a3a0 |
15 | 7408a283 |
hex | 4a07aea8 |
1242017448 has 48 divisors (see below), whose sum is σ = 3549926880. Its totient is φ = 354731616.
The previous prime is 1242017407. The next prime is 1242017473. The reversal of 1242017448 is 8447102421.
It is a super-2 number, since 2×12420174482 = 3085214682272865408, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455433 + ... + 458151.
It is an arithmetic number, because the mean of its divisors is an integer number (73956810).
Almost surely, 21242017448 is an apocalyptic number.
It is an amenable number.
1242017448 is an abundant number, since it is smaller than the sum of its proper divisors (2307909432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242017448 is an frugal number, since it uses more digits than its factorization.
1242017448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5454 (or 2731 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 1242017448 is about 35242.2679179419. The cubic root of 1242017448 is about 1074.9193948576.
Adding to 1242017448 its reverse (8447102421), we get a palindrome (9689119869).
The spelling of 1242017448 in words is "one billion, two hundred forty-two million, seventeen thousand, four hundred forty-eight".
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